CN220285289U - Nut-free wall connecting piece for scaffold - Google Patents

Abstract

The utility model discloses a nut-free wall connecting piece of a scaffold, which comprises a through screw, a connecting steel plate and a steel pipe, wherein the through screw is pre-buried in a wall body; an extension section is arranged on one side of the steel pipe close to the wall body, and a connecting steel plate is arranged between the threaded block and the wall body; compared with the prior art, when the embedded through screw is connected with the connecting steel plate, the nut fixing of the wall connecting piece is omitted; the stress point is arranged in the center of the steel pipe, the stress is uniform, and the wall connecting piece can be effectively prevented from falling off in the use process; meanwhile, the wall connecting piece is simple in structure and reasonable in arrangement, so that the manufacturing cost is low.

Description

Nut-free wall connecting piece for scaffold

Technical Field

The utility model relates to the technical field of connection of steel pipe outer scaffold, in particular to a nut-free wall connecting piece of a scaffold.

Background

In order to ensure the connection quality of the outer scaffold of the steel pipe, the existing wall connecting piece is usually fixedly connected with the wall connecting piece device through nuts after a steel pipe or a pre-buried bolt which is long enough is inserted when a concrete beam slab is poured.

The steel pipe serving as the wall connecting piece can only be used once in a pre-buried steel pipe connection mode, the cost is high, the outer wall masonry is frequently blocked, holes are reserved, the progress and the appearance are affected, and hidden danger of outer wall water seepage exists.

The adoption of the later-stage nut fixing mode of the embedded bolt is easy to cause potential safety hazard due to the loss of the later-stage nut and the loosening of the nut in the construction process.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the utility model provides a nut-free wall connecting piece for a scaffold, which omits nut fixation in order to realize connection and ensures the purpose of bearing the center of the wall connecting piece.

The nut-free wall connecting piece for the scaffold comprises a through screw, a connecting steel plate and a steel pipe, wherein the through screw is embedded in a wall body, the connecting steel plate is arranged between the steel pipe and the wall body, a thread block is arranged outside the through screw, a screw hole is formed in the thread block, and the through screw is in threaded fit with the thread block through the screw hole; an extension section is arranged on one side, close to the wall, of the steel pipe, and the connecting steel plate is further arranged between the threaded block and the wall.

Compared with the prior art, when the embedded through wire screw rod of the wall connecting piece is connected with the connecting steel plate, the nut fixing is omitted; the stress point is arranged in the center of the steel pipe, the stress is uniform, and the wall connecting piece can be effectively prevented from falling off in the use process; meanwhile, the wall connecting piece is simple in structure and reasonable in arrangement, so that the manufacturing cost is low.

Further, an external thread is arranged on the thread block, and the extension section and the thread block are matched and arranged through the external thread.

Through the improvement, set up the external screw thread on the screw thread piece, the extension carries out threaded connection through external screw thread and screw thread piece for cooperation effect between screw thread piece and the extension is better, can further prolong the atress effect of screw rod.

Further, the outside of the steel pipe is provided with a cutting, the cutting passes through the extension section, and the lower end of the cutting abuts against the thread block.

Through the improvement, the outside of the steel pipe is provided with the cutting, and the end part of the cutting passes through the extension section to prop against the threaded block of the steel pipe, so that the matching effect of the extension section and the threaded block inside the steel pipe is more compact, the connection strength between the threaded block and the steel pipe is improved, and the cutting is convenient to assemble and disassemble and convenient to replace.

Further, the extension section is in butt joint with the inner wall of the steel pipe, and is in threaded connection with the butt joint.

Through the improvement, the extension butt carries out screw-thread fit at steel pipe inner wall simultaneously with the steel pipe inner wall, can make even holistic connection of wall spare more stable, and extension and steel pipe inner wall screw-thread fit can strengthen stability simultaneously, prevent that the atress from sliding, influence the use.

Further, a gasket is further arranged between the threaded block and the connecting steel plate.

Through above improvement, set up the gasket between screw thread piece and connecting the steel sheet can prevent screw thread piece and connecting the long-time direct contact of steel sheet, extension both life.

Further, one end of the connecting steel plate is propped against the wall body, and a matching hole with the diameter consistent with that of the through wire screw rod is formed in the propping position.

Through above improvement, the connection steel sheet offsets with the wall body, and is provided with the mating holes in butt department, and the mating holes can set up with logical silk screw rod cooperation for the connection steel sheet can cooperate with logical silk screw rod betterly, avoids appearing not hard up condition when connecting.

Further, the matching holes correspond to the screw holes and have the same diameter.

Through the improvement, the screw hole corresponds to the matching hole, the diameters of the screw hole and the matching hole are consistent, the screw hole is matched with the harness cord screw conveniently, and meanwhile the whole body of the connection can be smoother.

Drawings

FIG. 1 is a block diagram of an overall cross section of a nut-free wall attachment for a scaffold;

FIG. 2 is a three-dimensional structure diagram of a scaffold nut-free wall connecting piece with a steel pipe and a connecting steel plate matched with the steel pipe;

wherein, 1, a harness cord screw; 2. connecting steel plates; 2.1, a matching hole; 3. a steel pipe; 4. a screw block; 4.1, screw holes; 4.2, external threads; 5. a wall body; 6. an extension section; 6.1, a matching hole; 7. cutting; 8. a gasket.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The nut-free wall connecting piece of the scaffold shown in fig. 1 and 2 comprises a through screw 1, a connecting steel plate 2 and a steel pipe 3, wherein the through screw 1 is embedded in a wall body 5, the connecting steel plate 2 is arranged between the steel pipe 3 and the wall body 5, a thread block 4 is arranged outside the through screw 1, a screw hole 4.1 is arranged in the thread block 4, and the through screw 1 is in threaded fit with the thread block 4 through the screw hole 4.1; an extension section 6 is arranged on one side of the steel pipe 3 close to the wall body 5, and a connecting steel plate 2 is further arranged between the thread block 4 and the wall body 5.

The wall body 5 is embedded with the harness cord screw 1, one end of the harness cord screw 1 extends out of the wall body 5, the part of the harness cord screw 1 extending out of the wall body 5 is provided with the connecting steel plate 2 and the thread section, a gasket 8 is further arranged between the thread block 4 and the connecting steel plate 2, long-time direct contact between the thread block 4 and the connecting steel plate 2 is prevented, and the service life is prolonged; the connecting steel plate 2 is internally provided with a matching hole 2.1, the threaded block 4 is internally provided with a threaded hole 4.1, and the threaded hole 4.1 is correspondingly arranged with the matching hole 2.1 and has the same diameter; the through screw 1 is in threaded fit with the threaded section through the screw hole 4.1, so that the fit between the threaded section and the through screw 1 is more stable, and meanwhile, the outer side of the threaded section is provided with the external thread 4.2.

The side, far away from the wall body 5, of the threaded block 4 is provided with an extension section 6 in a matched manner, and the extension section 6 is arranged to enable the stress section in the steel pipe 3 to be prolonged, so that the stress section cannot be concentrated on the through screw 1, and the service life of the wall connecting piece is prolonged; be provided with mating holes 6.1 on the extension section 6, mating holes 6.1 carries out screw-thread fit setting with the external screw thread 4.2 of screw thread piece 4 for the cooperation in steel pipe 3 is inside more stable.

The steel pipe 3 outside is provided with the cutting 7, and the outer wall and the extension section 6 of steel pipe 3 are passed to the cutting 7 for the lower extreme and the thread block 4 of cutting 7 offset, make the inside extension section 6 of steel pipe 3 and the cooperation effect of thread block 4 inseparabler, have also improved simultaneously the joint strength between thread block 4 and the steel pipe 3.

When in construction, a through wire connecting screw is pre-buried in the wall body 5 of the outer wall; dismantling the beam plate template according to the strength of the concrete, and sleeving a connecting steel plate 2 through an embedded part connecting hole to rotationally engage with an embedded through-wire screw 1; the wall connecting piece is rotated until the connecting steel plate 2 is attached to the wall surface of the wall body 5, and the wall connecting steel pipe 3 is connected with the vertical rod of the scaffold body through a fastener.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. The utility model provides a scaffold exempts from nut even wall spare which characterized in that: the novel steel pipe connecting structure comprises a through screw (1), a connecting steel plate (2) and a steel pipe (3), wherein the through screw (1) is pre-buried in a wall body (5), the connecting steel plate (2) is arranged between the steel pipe (3) and the wall body (5), a thread block (4) is arranged outside the through screw (1), a screw hole (4.1) is formed in the thread block (4), and the through screw (1) is in threaded fit with the thread block (4) through the screw hole (4.1); an extension section (6) is arranged on one side, close to the wall body (5), of the steel pipe (3).

2. The scaffold nut-free wall coupling according to claim 1, wherein: external threads (4.2) are arranged on the threaded block (4), and the extension section (6) and the threaded block (4) are matched through the external threads (4.2).

3. The scaffold nut-free wall coupling according to claim 1, wherein: the steel pipe (3) outside is provided with cutting (7), cutting (7) pass extension (6), just cutting (7) lower extreme with screw thread piece (4) offset.

4. The scaffold nut-free wall coupling according to claim 1, wherein: the extension section (6) is in butt joint with the inner wall of the steel pipe (3), and is in threaded connection at the butt joint.

5. The scaffold nut-free wall coupling according to claim 1, wherein: the connecting steel plate (2) is arranged between the threaded block (4) and the wall body (5), and a gasket (8) is further arranged between the threaded block (4) and the connecting steel plate (2).

6. The scaffold nut-free wall coupling according to claim 1, wherein: one end of the connecting steel plate (2) is propped against the wall body (5), and a matching hole (2.1) with the same diameter as the through screw (1) is arranged at the propping part.

7. The scaffold nut-free wall coupling according to claim 6, wherein: the matching hole (2.1) corresponds to the screw hole (4.1) and has the same diameter.